PIC16LF874A-I/PT Microchip Technology, PIC16LF874A-I/PT Datasheet - Page 11

• Manufacturer Part Number: PIC16LF874A-I/PT
• Description: IC, 8BIT MCU, PIC16LF, 20MHZ, TQFP-44
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16LF874A-I/PT

• Controller Family/series: PIC16LF
• No. Of I/o's: 33
• Eeprom Memory Size: 128Byte
• Ram Memory Size: 192Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Core Size: 8 Bit
• Program Memory Size: 4 Kwords
• Core Processor: PIC
• Speed: 10MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 33
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 1-2:
 2003 Microchip Technology Inc.
RB0/INT
RB1
RB2
RB3/PGM
RB4
RB5
RB6/PGC
RB7/PGD
RC0/T1OSO/T1CKI
RC1/T1OSI/CCP2
RC2/CCP1
RC3/SCK/SCL
RC4/SDI/SDA
RC5/SDO
RC6/TX/CK
RC7/RX/DT
V
V
Legend:
Note 1:
SS
DD
RB0
INT
RB3
PGM
RB6
PGC
RB7
PGD
RC0
T1OSO
T1CKI
RC1
T1OSI
CCP2
RC2
CCP1
RC3
SCK
SCL
RC4
SDI
SDA
RC5
SDO
RC6
TX
CK
RC7
RX
DT
Pin Name
2:
3:
I = input
— = Not used
This buffer is a Schmitt Trigger input when configured as the external interrupt.
This buffer is a Schmitt Trigger input when used in Serial Programming mode.
This buffer is a Schmitt Trigger input when configured in RC Oscillator mode and a CMOS input otherwise.
PIC16F873A/876A PINOUT DESCRIPTION (CONTINUED)
PDIP, SOIC,
SSOP Pin#
8, 19
21
22
23
24
25
26
27
28
12
13
14
15
16
17
18
20
11
O = output
TTL = TTL input
QFN
Pin#
5, 6
18
19
20
21
22
23
24
25
10
12
13
14
15
17
11
8
9
I/O/P
Type
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
P
P
I
I
I
I
I
I
I
I/O = input/output
ST = Schmitt Trigger input
TTL/ST
TTL/ST
TTL/ST
Buffer
Type
TTL
TTL
TTL
TTL
TTL
ST
ST
ST
ST
ST
ST
ST
ST
—
—
(1)
(2)
(2)
PORTB is a bidirectional I/O port. PORTB can be software
programmed for internal weak pull-ups on all inputs.
PORTC is a bidirectional I/O port.
Ground reference for logic and I/O pins.
Positive supply for logic and I/O pins.
Digital I/O.
External interrupt.
Digital I/O.
Digital I/O.
Digital I/O.
Low-voltage (single-supply) ICSP programming enable pin.
Digital I/O.
Digital I/O.
Digital I/O.
In-circuit debugger and ICSP programming clock.
Digital I/O.
In-circuit debugger and ICSP programming data.
Digital I/O.
Timer1 oscillator output.
Timer1 external clock input.
Digital I/O.
Timer1 oscillator input.
Capture2 input, Compare2 output, PWM2 output.
Digital I/O.
Capture1 input, Compare1 output, PWM1 output.
Digital I/O.
Synchronous serial clock input/output for SPI mode.
Synchronous serial clock input/output for I
Digital I/O.
SPI data in.
I
Digital I/O.
SPI data out.
Digital I/O.
USART asynchronous transmit.
USART1 synchronous clock.
Digital I/O.
USART asynchronous receive.
USART synchronous data.
2
C data I/O.
P = power
Description
PIC16F87XA
DS39582B-page 9
2
C mode.